d294202b45
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4020 ec53bebd-3082-4978-b11e-865c3cabbd6b
120 lines
3.4 KiB
C
120 lines
3.4 KiB
C
/*
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* Copyright (c) 1997 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kungliga Tekniska
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* Högskolan and its contributors.
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*
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* 4. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "krb5_locl.h"
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RCSID("$Id$");
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krb5_error_code
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krb5_get_krbhst (krb5_context context,
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const krb5_realm *realm,
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char ***hostlist)
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{
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char **res;
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unsigned max, count;
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krb5_config_binding *pointer;
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char *r;
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krb5_boolean done;
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char **tmp;
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r = *realm;
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count = 0;
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max = 10;
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res = malloc(max * sizeof(*res));
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if(res == NULL)
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return KRB5_REALM_UNKNOWN;
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pointer = NULL;
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for(done = FALSE; !done;) {
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char *h = (char *)krb5_config_get_next (context->cf,
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&pointer,
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krb5_config_string,
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"realms",
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r,
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"kdc",
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NULL);
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if (count > max - 2) {
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max += 10;
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tmp = realloc (res, max * sizeof(*res));
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if (tmp == NULL) {
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res[count] = NULL;
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free (r);
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krb5_free_krbhst (context, res);
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return KRB5_REALM_UNKNOWN;
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}
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res = tmp;
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}
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if (h == NULL) {
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done = TRUE;
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asprintf(&res[count], "kerberos.%s", r);
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} else {
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res[count] = strdup(h);
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}
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if (res[count] == NULL) {
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free(r);
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krb5_free_krbhst (context, res);
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return KRB5_REALM_UNKNOWN;
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}
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++count;
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}
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/* There should always be room for the NULL here */
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res[count++] = NULL;
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tmp = realloc (res, count * sizeof(*res));
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if (tmp == NULL) {
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krb5_free_krbhst (context, res);
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return KRB5_REALM_UNKNOWN;
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}
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res = tmp;
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*hostlist = res;
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return 0;
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}
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krb5_error_code
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krb5_free_krbhst (krb5_context context,
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char **hostlist)
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{
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char **p;
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for (p = hostlist; *p; ++p)
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free (*p);
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free (hostlist);
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return 0;
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}
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